diff --git a/debian/control b/debian/control
index c4b42bc..5ea3892 100644
--- a/debian/control
+++ b/debian/control
@@ -1,47 +1,47 @@
 Source: swh-indexer
 Maintainer: Software Heritage developers <swh-devel@inria.fr>
 Section: python
 Priority: optional
 Build-Depends: debhelper (>= 9),
                dh-python (>= 2),
                python3-all,
                python3-chardet (>= 2.3.0~),
                python3-click,
                python3-nose,
                python3-pygments,
                python3-magic,
                python3-setuptools,
-               python3-swh.core (>= 0.0.27~),
+               python3-swh.core (>= 0.0.37~),
                python3-swh.model (>= 0.0.15~),
                python3-swh.objstorage (>= 0.0.13~),
                python3-swh.scheduler (>= 0.0.14~),
                python3-swh.storage (>= 0.0.93~),
                python3-vcversioner
 Standards-Version: 3.9.6
 Homepage: https://forge.softwareheritage.org/diffusion/78/
 
 Package: python3-swh.indexer.storage
 Architecture: all
-Depends: python3-swh.core (>= 0.0.27~),
+Depends: python3-swh.core (>= 0.0.37~),
          python3-swh.model (>= 0.0.15~),
          python3-swh.objstorage (>= 0.0.13~),
          python3-swh.scheduler (>= 0.0.14~),
          python3-swh.storage (>= 0.0.93~),
          ${misc:Depends},
          ${python3:Depends}
 Description: Software Heritage Content Indexer Storage
 
 Package: python3-swh.indexer
 Architecture: all
 Depends: python3-swh.scheduler (>= 0.0.14~),
-         python3-swh.core (>= 0.0.27~),
+         python3-swh.core (>= 0.0.37~),
          python3-swh.model (>= 0.0.15~),
          python3-swh.objstorage (>= 0.0.13~),
          python3-swh.scheduler (>= 0.0.14~),
          python3-swh.storage (>= 0.0.93~),
          python3-swh.indexer.storage (= ${binary:Version}),
          universal-ctags (>= 0.8~),
          fossology-nomossa (>= 3.1~),
          ${misc:Depends},
          ${python3:Depends}
 Description: Software Heritage Content Indexer
diff --git a/requirements-swh.txt b/requirements-swh.txt
index 1c8f7d6..a9bff97 100644
--- a/requirements-swh.txt
+++ b/requirements-swh.txt
@@ -1,5 +1,5 @@
-swh.core >= 0.0.27
+swh.core >= 0.0.37
 swh.model >= 0.0.15
 swh.objstorage >= 0.0.13
 swh.scheduler >= 0.0.14
 swh.storage >= 0.0.93
diff --git a/swh/indexer/tests/storage/test_api_client.py b/swh/indexer/tests/storage/test_api_client.py
index 210fcd2..90caa35 100644
--- a/swh/indexer/tests/storage/test_api_client.py
+++ b/swh/indexer/tests/storage/test_api_client.py
@@ -1,38 +1,38 @@
-# Copyright (C) 2015-2017  The Software Heritage developers
+# Copyright (C) 2015-2018  The Software Heritage developers
 # See the AUTHORS file at the top-level directory of this distribution
 # License: GNU General Public License version 3, or any later version
 # See top-level LICENSE file for more information
 
 import unittest
 
+from swh.core.tests.server_testing import ServerTestFixture
 from swh.indexer.storage import INDEXER_CFG_KEY
 from swh.indexer.storage.api.client import RemoteStorage
 from swh.indexer.storage.api.server import app
 
 from .test_storage import CommonTestStorage
-from swh.storage.tests.server_testing import ServerTestFixture
 
 
 class TestRemoteStorage(CommonTestStorage, ServerTestFixture,
                         unittest.TestCase):
     """Test the indexer's remote storage API.
 
     This class doesn't define any tests as we want identical
     functionality between local and remote storage. All the tests are
     therefore defined in
     `class`:swh.indexer.storage.test_storage.CommonTestStorage.
 
     """
 
     def setUp(self):
         self.config = {
             INDEXER_CFG_KEY: {
                 'cls': 'local',
                 'args': {
                     'db': 'dbname=%s' % self.TEST_STORAGE_DB_NAME,
                 }
             }
         }
         self.app = app
         super().setUp()
         self.storage = RemoteStorage(self.url())